Sharp EL9900C EL-9900C - Page 204

Chapter 12 The SOLVER Feature The SOLVER feature is one of the calculator's most powerful and distinctive features, and helps you solve math problems with various analysis methods. Using this feature, problems from linear equations to complex formulas can be solved with ease. To access the SOLVER feature, press @ '; to exit, press #. Note: • The SOLVER feature is not available in the Basic mode. • The SOLVER feature shares variables with other calculator features. These variables can be called up or defined within the SOLVER feature OR any other features. For example, solving/ defining a value of "A" within the SOLVER feature will also change the global value of "A". 1. Three Analysis Methods: Equation, Newton, and Graphic To switch your preferred analysis style: 1. Go into the SOLVER menu by pressing @ ' WITHIN the SOLVER window. The SOLVER menu appears with four menu items. 2. While A METHOD item is selected on the left, select your preferred method by pressing 1, 2, or 3. Equation method The Equation method is useful when there is only one unknown variable. For example, if you know the values of B and C for an expression "A + B = C", use the Equation method. Example Determine the value of "C" in "A = 2B2 + 4C", when A = 4, and B = 5. 194